Intermittent mechanical movement.



A. MEHLEELDER.

INTERMITTENT MECHANICAL MOVEMENT. APPLICATIONHLED APR. 1s. |914.

1,160,928. I l Patented Nolv. 16, 1915,.

2 SHEETS-SHEET l.

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INTERMITTENT MECHANICAL MOVEMENT.

APPLxcATloN HLED APR. 1a. i914.

1,160,928. Patented Nov. 16, 1915.

2 SHEETS-SHEET 2.

w.' am 255528? ANTQN .MEirLFELnnia on new YORK', 'nl rY., nssisnon, BYivrnslvii y ASSIGNMENTS, To

. HERMAN nanna, or new YORK, n. Y.Y

To ZZ whom/152mg conce/11n: -f A Be it known that I, ANTON MEHLFELDER,ya citizen of the United States, residing at yN ew York city, countyandState of New York, have invented certain new and useful ImprovementsMovements, clear, full, and exact description.

This invention relates `toy a mechanical movement of the intermittenttype, that is to say, a device that will transform a rotary movementinto an intermittentmovement. My improved device for gaining the aboveresult can be applied to any apparatus requiring such a movement,forinstance amotion picture apparatus in which the film is advanced stepby step by a Constantly rotating driving shaft.

The device willbe fully set forth in the f following specification andclaims.

In the drawings: `Figure 1 isasectional face view ofan embodiment of myinvention, the section/being taken on aline l--l in Fig. 2. Fig. 2 .is asectionalfside view, the section being taken on a line 2-4-2 in Fig. 1,looking in the direction ofthe arrow. Fig. 3 is a sectional elevation.Figs. 1 and 5 are diagrammatic views illustrating the driving eratingmeans therefor in two positions.

FiO's. 6 and 7 are diagrammaticr side viewsy showing` the "driven fdisk,and lock therefor in two positions. Fig. 8 is aperspective view,illustrating one .form of universal shavft connection which I canemploy.

Iy arbitrary form, thatis to say the manner of assembling the parts.

As herein illustrated, my invention consists of a driven member 2 and adriving member 4, herein shown as gears, the primary driving or powerdevice, being omitted as well as the element operated by the driven ear.

g The objectof the device is to operate the gear 2 step by step, orintermittently, the gear shaft 4 carrying the gear 3, beingfconstantlyrotated during the operation of the machine. To intermittently operatethe gear 2 and its shaft 5 I employ a disk 6 having a face cam 7designed'to operate a vibratory frame 8 pivotally mounted at one endthereof upon the driven shaft 5, the other end being pivotally supportedby a stud 9 car ried by a trunnion 10 for the frame 11.

in Intermittent Mechanical ofwhich the following is ak plan view partlyinV disk and op-k invention is herein embodied in an' frame 8, a locknut 31 speiacafioa f Lettersrani. Patemd Nov, 16,1915, Application filedApril 18 1914. Serial No. 832,691. f

The frame 11 rotatably supports the cam disk 6 and is itself pivotallysupported upon the trunnion 10 and bearing 12 upon the standardy 13. Theframe 11 is made in halvesl and 15 and is therefore clamped to itspivotal supports 10 and 12.

As can be seen in F ig. 2, the cam disk 6 is carried by a shaft 17pivotally mounted in thecasing or framing 11. Theshaft' 17 also carriesa iiy-wheel 19 which serves the purpose of any Hy-wheel or balance. vAdjacent` the cam-disk 6 I ylocate the vibratory frame 8, the axis ofwhich is in the axis of the casing 11., ries in this instance two arms2O and 21. As can be seen inv Fig. 1, the1arm 2O is provided with labracket 22, which engages the pin or stud 9, and the arm 21 with abracket 28 engaging the shaft:

5, the bracket 23 being provided with pins or studs 24 adapted tolengage openings 25 in the driven disk 26 on the shaft 5. From aninspection of Fig. 1, it will be evident that the frame 8 will swing oroscillate to and fro upon the lstud 9 and shaft 5. The rotary path of`movement of the pins or studs 24 is' incalinement` with theopenings 25in the driven disk 26. The function of the disk 6 is to oscillate orvibrate the frame 8 andthus rotate thedisk. 26 step by step. The step bystep movement beinojaccomplished by causing the pins 24 to engage theopenings 25 at intervals. of the pins y24k and openings is brought aboutby an eccentric 27, on the shaft 17, working in a pocket oryokeopening28 in the `frame 8.o The function of the eccentric 27 is to reciprocatethe frame 8 and thereby cause the pins 24 to engage the opening 25 inthe disk 26, at intervals to be described hereiny bolted together as at16y line with projecting horns or The engagementy ing device consistingof a reciprocating` frame 27a ing device 29 on the shaft 17. Anadjusting gland or bushing 30 is used to adjust the cam 6 relative tothe arms 20 and 21 of the vibratory working on guides 28a, the lockglandin an adjusted position.

As will be seen in F ig. 1, the eccentrics 27 and 29 are set oppositelyin order that the locking device 27a will engage the disk 26 when theframe 8 is in its retracted position,

being used to bind the being actuated by an eccentric `will continue tomove tion 33 of the cam thefcam'spot 132@Lv i frame as soon as the pins24 enter theY openyings25. By the time thepins 24e enterfthe openings 25the end 32 of ythe locking device will have cleared the disk 26.illustrated the device stroke and is ready to commence another. Duringthe first half revolution of the shafts 4L and 17 the cam 27 Willforcethe slideto the left, but will cause the pins 24 to enter the openings.25 before the .completion of the stroke About the time that the pins 24Y enter the openings 25 the rise' 32.a of the ycam 7 ivill contact Withthe arm :20 of the frame 8. l' By the .time that the Vhalf revolutionhas been completed, the pins-24 Will have been. the openings 25 and,

forced completely into the krise 32a of the cam frame Sto the positionwill have rocked the shown in Fig. 5 imparting to the disk 26 one-sixthof a-revolu.

2. During the said its normal position as shoivn'in Figli. During aportion ofkrthe'return stroke of the frame 8,'it, the frame, Willremainv in the position to lWhichit has been-.rotated bythe cam in orderthat the pinsl21- can be Withdrawn from'the diskv 26 Without disturbing'said disk,the dead por- 7 being extensive enough to 'accomplish 'thisresult. By the timefthat the pins have been Withdrawn, the lock 32 Willhave engaged the disk 26 and lockedit; and at about this time, a littlelater in fact, the rise 32a of the cam the position of the Copies ofthis patent ,may bel obtainedilifor l setto vibrate the has justcompleted a :pivotal mounting of thej frame That is tosay,loy-thetime-the` the driving shaft 24 will be Withdrawn from theAopenings 25, andthe frame 8 rocked backto 7 vv-ill ,Contact With Y thearm 21 of the frame'S and'vvill rock the said frame back to the normalposition. By

"the time the saidcamfhasfcompleted theA f revolution,

it Will be obvious that'the frame 8 is normally out of engagement Withthe driven disk 26, it being 1n engagement therethe said diskv with onlyduring the time that is to be advanced a step. By reason of the framecan be tilted by means ofthe handle 35, in order to rotatably advance orretard the driven disk 26. In order to permit the frame 11 to be tiltedand yet not interfere f with the rotation of the shaft 17.1 provide auniversal connection 36 consisting of a slot 37 in .theend of the shaft17 and a projection 38 on the shaft. 4: adapted to enter said slot. v

I claim as myinvention:

1. A cam carried by a continuously rotatingv shaft, an oscillatingmember, bearing upon Vsaid cam and actuated thereby, an vin-v termittentshaft adjacent thereto, said 1ntermittenty shaft having openings to beengaged by the oscillating member for the'pur. Y pose of eifecting adesired intermittent moon *v Y 2. A device for producing an intermittentmovement consisting of a pivotally mounted.

frame, a driven shaft carriedtherebyyacam carried bysaid shaft, Vapivotallymounted slidable vframe adjacent said cam and adapt! ed to be`rocked thereby,lthe pivotal points of said framebeing disposedjin a lineat a right anglev to the axis of'said driving shaft,

a rotatable disk adjacentr said frame, means to slide said the periodsof restthereof. l. ,Y

#Signed atv New York city,.NeW York, this 31st day. of March 19141.A ,Lf"

` v ANTON MEHLFELDER.`

Witnesses: l Y. v

JUL. EISINGER,

.MICHAEL SEGEL. f

vecents each,`b`y addressing the Commissioner of latents, Washington, D.C.

11 the said frame to engage saidV disk at in-V v -tervals, and meansto'lock said disk during

